update

server.js

@@ -52,7 +52,7 @@ sensehat.led.loadImage('images/heart.png')
 // socketio 服务
 const io = require('socket.io')(server, { cors: { origin: '*' } })
 io.on('connection', (client) => {
-    client.on('operation', (...params) => {
+    client.on('operation', ({ action, x, y, color, r, g, b, pixels }) => {
         switch (action) {
             case 'clear':
                 sensehat.led.clear()